Polyurethane-grafted hydrogels
US8853294B2 · kind B2 · utility
22Cited by
171References
20Claims
0Family size
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Key dates
| Filing date | May 29, 2013 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | May 29, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31583
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An article comprising two chemically grafted polymer layers comprising a hydrogel layer and an end-functionalized polyurethane layer. The invention also includes methods of making and using the article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.